code: def _check_metadata_gdf(gdf, geo_name="geometry", crs=crs_wgs):
      assert gdf._geometry_column_name == geo_name
      assert gdf.geometry.name == geo_name
      assert gdf.crs == crs
  
imports: import pandas
  import pyproj
  import pytest
  from shapely.geometry import Point
  import numpy
  from geopandas import GeoDataFrame, GeoSeries
  from geopandas.testing import assert_geodataframe_equal
label_desc: Use image node_id 3 for calling a global function with example usage: _check_metadata_gdf(gdf, geo_name, crs) without return types